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Potential and kinetic energy w

Potential and kinetic energy w

Item no.: P1004062

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Principle

In this experiment, pupils should investigate and become familiar with the conversion of potential energy into kinetic energy. Here, an experimental car will be accelerated by a weight in the earth's gravitational field. The accelerating force is deactivated automatically after a given distance (or height) as the mass touches the ground. The car continues to move with the speed last reached. This can be determined using the photoelectric gates and the timer.

From the given height the pupils should calculate the potential energy and plot it against v2. The slope k (with the dimension of a mass) should be compared with the total mass m. This yields m = 2 k. The formula Ekin = 1/2 m v2, which will be derived elsewhere, should be made plausible this way.

Benefits

  • Entrance to the world of datalogging by using the Cobra4 Mobile-Link
  • The use of the compact Cobra4 Mobile-Link is space-saving, also no socket is needed
  • Very modern student experiments which fully cover the curriculum subject "Motion"
Document     Filesize
p1004062e.pdf Experiment guide, English 6.93 MB

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